FIELD REPAIR/SERVICE MICRO-TEMP
®
LT, Model 749
OPERATION AND TECHNICAL MANUAL
Page 38 of 75
4.8 >1°C (2°F) OVER SET POINT CHECK
A. Turn unit on and set for 42C.
B. Allow water to stabilize at 42C.
C. Lower the set point value to 40°C.
D. Observe 2 audible beeps while flashing the red “Power Failure/Caution”
LED and the display flashing the actual water temperature until the
temperature reaches the set point.
4.9 TEMPERATURE ACCURACY CHECK
A. Make sure the set point is already set to maximum 42C (107F).
B. Attach Dual-Matic to end of eight foot hoses.
C. Insert a calibrated temperature measuring device into the thermometer well
of the Dual-Matic.
D. Allow unit to stabilize for 5 minutes after reaching maximum temperature.
E. Take two temperature readings approximately one minute apart. Verify
temperatures are within 1C (2F) of set point.
The repair, calibration, and servicing of the MICRO-TEMP
®
LT unit should be performed by
qualified Medical Equipment Service Technicians, Certified Biomedical Electronics
Technicians, or Certified Clinical Engineers familiar with good repair practices for servicing
medical devices, and in accordance with instructions contained in this manual. Improper
repair can result in system damage and/or patient injury.
Always unplug the unit before accessing internal components during service. Failure to
unplug the unit could result in electric shock.
The repair, calibration, and servicing of the MICRO-TEMP
®
LT unit should be performed by
qualified Medical Equipment Service Technicians, Certified Biomedical Electronics
Technicians, or Certified Clinical Engineers familiar with good repair practices for servicing
medical devices, and in accordance with instructions contained in this manual. Improper
repair can result in damage to the system and patient injury.
Always unplug the unit before accessing internal components during service. Failure to
unplug the unit could result in electric shock.
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